Quarter	US Dollars, sum over component sub-periods
1993-01-01	49513547.69240710
1993-04-01	62095766.77143750
1993-07-01	67108453.42165830
1993-10-01	80720125.84557621
1994-01-01	82034023.20454700
1994-04-01	97639301.28531750
1994-07-01	113350905.89952100
1994-10-01	121311064.47689101
1995-01-01	99214178.61204201
1995-04-01	134890117.87964800
1995-07-01	123615652.55212800
1995-10-01	150559030.76396800
1996-01-01	133325974.16577598
1996-04-01	140281931.15897000
1996-07-01	149295131.51105800
1996-10-01	178588507.81854400
1997-01-01	131415937.81982800
1997-04-01	176642269.55651400
1997-07-01	204147268.13297302
1997-10-01	224795947.52183800
1998-01-01	199565385.01351202
1998-04-01	206926939.47537200
1998-07-01	244616796.64440200
1998-10-01	279659885.67094400
1999-01-01	212673323.80157602
1999-04-01	230642400.95791100
1999-07-01	239156046.68285900
1999-10-01	257897292.44171503
2000-01-01	214362697.44819600
2000-04-01	216060940.27229800
2000-07-01	232028053.05553600
2000-10-01	233885485.25987900
2001-01-01	215171917.63856900
2001-04-01	241980238.63738298
2001-07-01	256691257.00497302
2001-10-01	272327700.96672000
2002-01-01	224261796.33596602
2002-04-01	305193098.48363500
2002-07-01	294296191.04750600
2002-10-01	320115252.90849100
2003-01-01	280358724.13961100
2003-04-01	346453559.02099200
2003-07-01	373960923.14472100
2003-10-01	417022875.02661500
2004-01-01	381631508.84827900
2004-04-01	452461132.62875900
2004-07-01	448912254.63281200
2004-10-01	527048275.48276204
2005-01-01	499327498.89025800
2005-04-01	566339740.28644800
2005-07-01	566890474.77670500
2005-10-01	623968860.03831900
2006-01-01	507101008.22778296
2006-04-01	613486184.21006200
2006-07-01	720391850.64680800
2006-10-01	714033482.34969200
2007-01-01	669948993.65895500
2007-04-01	762682294.33790400
2007-07-01	843656206.67754400
2007-10-01	904396478.61857310
2008-01-01	817675723.78643610
2008-04-01	914817589.92009200
2008-07-01	992062469.87783700
2008-10-01	836354121.31846700
2009-01-01	594387390.70401690
2009-04-01	595251580.27406800
2009-07-01	687502843.56352400
2009-10-01	746174686.52308200
2010-01-01	672228125.40926210
2010-04-01	692120342.00519200
2010-07-01	709371766.18848110
2010-10-01	879500100.46341100
2011-01-01	780275587.93408900
2011-04-01	972677030.43708610
2011-07-01	1002918156.74849000
2011-10-01	1047277785.71657990
2012-01-01	921921850.88709400
2012-04-01	958174226.56143500
2012-07-01	1015969358.95788000
2012-10-01	1106507334.04771000
2013-01-01	1034087993.54075990
2013-04-01	1159867355.08047990
2013-07-01	1251620535.02836010
2013-10-01	1250046817.37099000
2014-01-01	1183146100.83398000
2014-04-01	1237971492.28360990
2014-07-01	1254985447.91713000
2014-10-01	1204565820.25688000
2015-01-01	939871611.56681000
2015-04-01	988696072.42208990
2015-07-01	1002195229.26931000
2015-10-01	1033213046.38722990
2016-01-01	953235672.14427500
2016-04-01	1138364077.30948020
2016-07-01	1092327236.60569000
2016-10-01	1116299533.00471000
2017-01-01	1008336682.88890990
2017-04-01	1160374660.04277010
2017-07-01	1253064020.23431000
2017-10-01	1287379948.75012020
2018-01-01	1267587262.55105000
2018-04-01	1373700362.11472000